Anecdotes

Spanish was his first language.

He holds dual citizenship in the United States and Mexico.

His real surname, Szekely, is a common Hungarian surname pronounced SEK-kay. When he was young, he changed the pronunciation to SEE-kay because people always had trouble pronouncing it.

Louis's father, Luis Szekely, was born in Mexico. Louis's paternal grandfather was a Hungarian Jewish immigrant, and Louis's paternal grandmother was a Catholic Mexican (of Spanish and Indigenous Mexican descent). Louis's mother, Mary Louise Szekely (née Davis), is American-born, with Irish, German, and English ancestry. Louis's parents met as students at Harvard University. After his birth, in Washington, D.C., his family lived in Mexico City until he was seven years old. His family then settled in Massachusetts.

Is good friends with Chris Rock. Rock offered him the position of head writer on Le spectacle de Chris Rock (1997) but he turned it down for The Dana Carvey Show (1996). Carvey's show was short-lived and C.K. ended up as a staff writer on Rock's show.

His first job was as a cook at a KFC.

Trains in boxing with Micky Ward.

Worked alongside Stephen Colbert, Charlie Kaufman and Robert Smigel on the writing staff of The Dana Carvey Show (1996).

Was roommates with Marc Maron early in their careers.

After high school, he was offered admission into New York University's Tisch School of the Arts but he did not bother to apply.

His father was an economist and his mother was a computer programmer.

Father, with Alix Bailey, of daughters Mary Louise Szekely and Kitty Szekely.

Is a big fan of Miles Davis.

Went to Junior High and High School with Matt LeBlanc. In 1982 they attended F.A. Day Junior High School. In 1985 they attended Newton North High School in Newton, Massachusetts.

He has three sisters.

Attended Newton North High School in Newton, Massachusetts.

His first name is usually pronounced "Loo-ee".

Cousin of Mario P. Székely.